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Valkaama DVD Cover Outside
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Mis à jour : Octobre 2011
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Sur d’autres sites (3190)
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How do I split up a huge .mp3 file into multiple 200KB .mp3 files ? Each should be individually playable
9 mai 2021, par FoxxeySo I have a big .mp3 file and I would like to split it up automaticly in multiple 200kb .mp3 files. They should be individually playable. I have ffmpeg installed. Is there a way to do this using it ?


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Unable to split audio using easy_audio_trimmer
27 juillet 2023, par Sana Wasimcan we use the easy_audio_trimmer package to split an audio ? I tried using the ffmpeg but it is conflicting with the above package and not work.


I tried splitting by using these functions and it gave an error at the FlutterFFmpeg() method and i cant find an alternative also the duration(filePath) in the command final durationResult = await flutterSound.duration(filePath) ; shows an error


Future<void> _splitAudio() async {
 setState(() {
 _progressVisibility = true;
 });

 // Get the application documents directory
 final appDocumentsDirectory = await getApplicationDocumentsDirectory();

 // Get the input audio file path
 final inputAudioPath = widget.file.path;

 // Get the output file names for the two parts
 final outputFileName1 = 'split_audio_part1.mp3';
 final outputFileName2 = 'split_audio_part2.mp3';

 // Get the output file paths for the two parts
 final outputPath1 = '${appDocumentsDirectory.path}/$outputFileName1';
 final outputPath2 = '${appDocumentsDirectory.path}/$outputFileName2';

 // Calculate the duration of the original audio
 final originalDuration = await _getAudioDuration(inputAudioPath);

 // Calculate the durations of the two parts
 final part1Duration = _startValue;
 final part2Duration = originalDuration - _endValue;

 // Construct the FFmpeg command to split the audio
 final ffmpeg = FlutterFFmpeg();
 final splitCommand = '-i $inputAudioPath -ss 0 -t $part1Duration -c copy $outputPath1 -ss $_endValue -t $part2Duration -c copy $outputPath2';

 try {
 // Execute the FFmpeg command to split the audio
 final int result = await ffmpeg.execute(splitCommand);

 if (result == 0) {
 setState(() {
 _progressVisibility = false;
 });
 debugPrint('Audio split successfully.');
 } else {
 setState(() {
 _progressVisibility = false;
 });
 debugPrint('Failed to split audio.');
 }
 } catch (error) {
 setState(() {
 _progressVisibility = false;
 });
 debugPrint('Error while splitting audio: $error');
 }
 }

 Future<int> _getAudioDuration(String filePath) async {
 final flutterSound = FlutterSound();
 final durationResult = await flutterSound.duration(filePath);
 return durationResult.inMilliseconds;
 }
</int></void>

Dependencies


path_provider: ^2.0.15
 ffmpeg_kit_flutter: ^5.1.0
 audioplayers: ^4.1.0
 flutter_sound: ^9.2.13


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How to split ffmpeg output into multiple files ?
15 novembre 2020, par Genius BillionaireWhat I want to happen : the equivalent of this :
split -n 4 output.mp4, which generates 4 files. Only the first file is "valid mp4" that you can play. The other 3 files rely on the previous file.

A similar request can be seen here : https://lists.ffmpeg.org/pipermail/ffmpeg-user/2013-May/015090.html


Why I want this to happen : running FFMPEG in the browser, which means 1) file size limit, 2) I don't have the Linux command
splitto help me out, just FFMPEG. If I can get FFMPEG to output files of X MB each, I can iteratively delete files as soon as I've read them.

EDIT : as a commenter asked, yes it is possible to run several ffmpeg commands if necessary.


The right solution is not using segments. The following example command generates several 4 valid mp4 files. That's not exactly what I want.

ffmpeg -i ../flv.flv -segment_time 5 -f segment -t 20 %d.mp4

This other solution also does not work (it's the same output as previous incorrect solution) :


ffmpeg -i ../flv.flv -ss 00:00:00 -t 5 1.mp4

ffmpeg -i ../flv.flv -ss 00:00:05 -t 5 2.mp4

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